How Do Sperm Whales Keep Their Massive, Wax-Filled Heads Beneath the Waves as They Sleep?
Reported byNautilus ↗·Sourced by Goodlede
Researchers using novel Dtags recorded 17 sperm whales sleeping at depth off Norway over eight summers, discovering that whales release bubbles during more than 90 percent of naps to regulate buoyancy and remain submerged while resting, confirming active buoyancy regulation through bubble release.
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